HSF2
Heat shock factor protein 2
Also known as: HSF2_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q03933
- Gene
- HSF2
- Ensembl
- ENSG00000025156
- Chromosome
- 6
- Canonical length
- 536 aa
- Protein class
- Plasma proteins, Predicted intracellular proteins, Transcription factors
- Subcellular location
- Nucleoplasm
- Quaternary structure
- Homotrimer
OverviewNCBI Gene
The protein encoded by this gene belongs to the HSF family of transcription factors that bind specifically to the heat-shock promoter element and activate transcription. Heat shock transcription factors activate heat-shock response genes under conditions of heat or other stresses. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2011]
Canonical amino-acid sequenceUniProt
536 residues, UniProt reviewed canonical sequence.
>Q03933|HSF2
1 MKQSSNVPAF LSKLWTLVEE THTNEFITWS QNGQSFLVLD EQRFAKEILP KYFKHNNMAS
61 FVRQLNMYGF RKVVHIDSGI VKQERDGPVE FQHPYFKQGQ DDLLENIKRK VSSSKPEENK
121 IRQEDLTKII SSAQKVQIKQ ETIESRLSEL KSENESLWKE VSELRAKHAQ QQQVIRKIVQ
181 FIVTLVQNNQ LVSLKRKRPL LLNTNGAQKK NLFQHIVKEP TDNHHHKVPH SRTEGLKPRE
241 RISDDIIIYD VTDDNADEEN IPVIPETNED VISDPSNCSQ YPDIVIVEDD NEDEYAPVIQ
301 SGEQNEPARE SLSSGSDGSS PLMSSAVQLN GSSSLTSEDP VTMMDSILND NINLLGKVEL
361 LDYLDSIDCS LEDFQAMLSG RQFSIDPDLL VDLFTSSVQM NPTDYINNTK SENKGLETTK
421 NNVVQPVSEE GRKSKSKPDK QLIQYTAFPL LAFLDGNPAS SVEQASTTAS SEVLSSVDKP
481 IEVDELLDSS LDPEPTQSKL VRLEPLTEAE ASEATLFYLC ELAPAPLDSD MPLLDSLocalizationUniProt · AlphaFold · HPA
Whether an antibody against HSF2 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.59
- Highest tissue expression
- 60 nTPM
Expression across tissuesHPA
Tissue
- tongue: 60 nTPM
- skeletal muscle: 47 nTPM
- retina: 41 nTPM
- testis: 35 nTPM
- bone marrow: 28 nTPM
- heart muscle: 22 nTPM
Single-cell type
- thymic myoid cells: 133 nCPM
- late primary spermatocytes: 121 nCPM
- myonuclei: 102 nCPM
- early primary spermatocytes: 101 nCPM
- undifferentiated spermatogonia: 98 nCPM
- differentiating spermatogonia: 82 nCPM
Immune cell
- naive CD4 T-cell: 28 nTPM
- naive CD8 T-cell: 22 nTPM
- T-reg: 13 nTPM
- MAIT T-cell: 13 nTPM
- gdT-cell: 12 nTPM
- total PBMC: 11 nTPM
Brain region
- choroid plexus: 27 nTPM
- cerebellum: 25 nTPM
- white matter: 20 nTPM
- hypothalamus: 20 nTPM
- cerebral cortex: 19 nTPM
- basal ganglia: 19 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.32
- gnomAD pLI
- 0.98
- gnomAD missense Z
- 2.07
- DepMap mean gene effect
- -0.1
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
Molecular functions
- DNA-binding transcription activator activity, RNA polymerase II-specific
- DNA-binding transcription factor activity, RNA polymerase II-specific
- identical protein binding
- RNA polymerase II cis-regulatory region sequence-specific DNA binding
- RNA polymerase II intronic transcription regulatory region sequence-specific DNA binding
- RNA polymerase II transcription regulatory region sequence-specific DNA binding
- sequence-specific double-stranded DNA binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of HSF2 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads HSF2 as an antibody target. Whether an autoantibody or antibody against HSF2 could matter depends on whether native HSF2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
HSF2 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label HSF2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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